This is a note to let you know that I've just added the patch titled
netfs: Fix missing iterator reset on retry of short read
to the 6.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
netfs-fix-missing-iterator-reset-on-retry-of-short-r.patch
and it can be found in the queue-6.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 77681897a29d831ff65d669b665518b0f3a888da
Author: David Howells <dhowells@xxxxxxxxxx>
Date: Fri Aug 23 21:08:13 2024 +0100
netfs: Fix missing iterator reset on retry of short read
[ Upstream commit 950b03d0f664a54389a555d79215348ed413161f ]
Fix netfs_rreq_perform_resubmissions() to reset before retrying a short
read, otherwise the wrong part of the output buffer will be used.
Fixes: 92b6cc5d1e7c ("netfs: Add iov_iters to (sub)requests to describe various buffers")
Signed-off-by: David Howells <dhowells@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20240823200819.532106-6-dhowells@xxxxxxxxxx
cc: Steve French <sfrench@xxxxxxxxx>
cc: Paulo Alcantara <pc@xxxxxxxxxxxxx>
cc: Jeff Layton <jlayton@xxxxxxxxxx>
cc: linux-cifs@xxxxxxxxxxxxxxx
cc: netfs@xxxxxxxxxxxxxxx
cc: linux-fsdevel@xxxxxxxxxxxxxxx
Signed-off-by: Christian Brauner <brauner@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/fs/netfs/io.c b/fs/netfs/io.c
index f3abc5dfdbc0c..c96431d3da6d8 100644
--- a/fs/netfs/io.c
+++ b/fs/netfs/io.c
@@ -313,6 +313,7 @@ static bool netfs_rreq_perform_resubmissions(struct netfs_io_request *rreq)
netfs_reset_subreq_iter(rreq, subreq);
netfs_read_from_server(rreq, subreq);
} else if (test_bit(NETFS_SREQ_SHORT_IO, &subreq->flags)) {
+ netfs_reset_subreq_iter(rreq, subreq);
netfs_rreq_short_read(rreq, subreq);
}
}
